Decomposers: Nature's Recyclers (Part 2)

What You'll Learn

Decomposers like fungi and bacteria break down dead organisms and return nutrients to the soil. Without decomposers, dead material would pile up and nutrients would be locked away.

Key Words

consumer
decomposer

Materials Needed

cotton balls
zip-lock bags
labels
seeds
soil
cups

Safety First

Protect your work surface with newspaper or plastic.

Steps

Step 1 — Read

Read and learn: Decomposers like fungi and bacteria break down dead organisms and return nutrients to the soil. Without decomposers, dead material would pile up and nutrients would be locked away.

Step 2 — Do

Repeat the experiment two more times for accuracy.

Step 3 — Observe

Note any unexpected results.

Step 4 — Record

Share your findings with the class or a partner.

Check Your Understanding

Question 1

1 of 3

Which stage comes after a caterpillar in metamorphosis?